/* bootp/dhcp defines */
#ifndef SLIRP_BOOTP_H
#define SLIRP_BOOTP_H 1

#define BOOTP_SERVER    67
#define BOOTP_CLIENT    68

#define BOOTP_REQUEST   1
#define BOOTP_REPLY     2

#define RFC1533_COOKIE          99, 130, 83, 99
#define RFC1533_PAD             0
#define RFC1533_NETMASK         1
#define RFC1533_TIMEOFFSET      2
#define RFC1533_GATEWAY         3
#define RFC1533_TIMESERVER      4
#define RFC1533_IEN116NS        5
#define RFC1533_DNS             6
#define RFC1533_LOGSERVER       7
#define RFC1533_COOKIESERVER    8
#define RFC1533_LPRSERVER       9
#define RFC1533_IMPRESSSERVER   10
#define RFC1533_RESOURCESERVER  11
#define RFC1533_HOSTNAME        12
#define RFC1533_BOOTFILESIZE    13
#define RFC1533_MERITDUMPFILE   14
#define RFC1533_DOMAINNAME      15
#define RFC1533_SWAPSERVER      16
#define RFC1533_ROOTPATH        17
#define RFC1533_EXTENSIONPATH   18
#define RFC1533_IPFORWARDING    19
#define RFC1533_IPSOURCEROUTING 20
#define RFC1533_IPPOLICYFILTER  21
#define RFC1533_IPMAXREASSEMBLY 22
#define RFC1533_IPTTL           23
#define RFC1533_IPMTU           24
#define RFC1533_IPMTUPLATEAU    25
#define RFC1533_INTMTU          26
#define RFC1533_INTLOCALSUBNETS 27
#define RFC1533_INTBROADCAST    28
#define RFC1533_INTICMPDISCOVER 29
#define RFC1533_INTICMPRESPOND  30
#define RFC1533_INTROUTEDISCOVER 31
#define RFC1533_INTROUTESOLICIT 32
#define RFC1533_INTSTATICROUTES 33
#define RFC1533_LLTRAILERENCAP  34
#define RFC1533_LLARPCACHETMO   35
#define RFC1533_LLETHERNETENCAP 36
#define RFC1533_TCPTTL          37
#define RFC1533_TCPKEEPALIVETMO 38
#define RFC1533_TCPKEEPALIVEGB  39
#define RFC1533_NISDOMAIN       40
#define RFC1533_NISSERVER       41
#define RFC1533_NTPSERVER       42
#define RFC1533_VENDOR          43
#define RFC1533_NBNS            44
#define RFC1533_NBDD            45
#define RFC1533_NBNT            46
#define RFC1533_NBSCOPE         47
#define RFC1533_XFS             48
#define RFC1533_XDM             49

#define RFC2132_REQ_ADDR        50
#define RFC2132_LEASE_TIME      51
#define RFC2132_MSG_TYPE        53
#define RFC2132_SRV_ID          54
#define RFC2132_PARAM_LIST      55
#define RFC2132_MESSAGE         56
#define RFC2132_MAX_SIZE        57
#define RFC2132_RENEWAL_TIME    58
#define RFC2132_REBIND_TIME     59

#define DHCPDISCOVER            1
#define DHCPOFFER               2
#define DHCPREQUEST             3
#define DHCPACK                 5
#define DHCPNAK                 6

#define RFC1533_VENDOR_MAJOR    0
#define RFC1533_VENDOR_MINOR    0

#define RFC1533_VENDOR_MAGIC    128
#define RFC1533_VENDOR_ADDPARM  129
#define RFC1533_VENDOR_ETHDEV   130
#define RFC1533_VENDOR_HOWTO    132
#define RFC1533_VENDOR_MNUOPTS  160
#define RFC1533_VENDOR_SELECTION 176
#define RFC1533_VENDOR_MOTD     184
#define RFC1533_VENDOR_NUMOFMOTD 8
#define RFC1533_VENDOR_IMG      192
#define RFC1533_VENDOR_NUMOFIMG 16

#define RFC1533_END             255
#define BOOTP_VENDOR_LEN        64
#define DHCP_OPT_LEN            312

struct bootp_t {
    struct ip ip;
    struct udphdr udp;
    uint8_t bp_op;
    uint8_t bp_htype;
    uint8_t bp_hlen;
    uint8_t bp_hops;
    uint32_t bp_xid;
    uint16_t bp_secs;
    uint16_t unused;
    struct in_addr bp_ciaddr;
    struct in_addr bp_yiaddr;
    struct in_addr bp_siaddr;
    struct in_addr bp_giaddr;
    uint8_t bp_hwaddr[16];
    uint8_t bp_sname[64];
    uint8_t bp_file[128];
    uint8_t bp_vend[DHCP_OPT_LEN];
};

typedef struct {
    uint16_t allocated;
    uint8_t macaddr[6];
} BOOTPClient;

#define NB_BOOTP_CLIENTS 16

void bootp_input(struct mbuf *m);

#endif
